Question 1

What routes can Prazosin be administered by?

Accepted Answer

Available routes: PO.

Question 2

Is Prazosin a controlled substance?

Accepted Answer

Prazosin is not federally scheduled in the US. Controlled-drug status differs by country — verify your local rules.

Question 3

What are the warnings or contraindications for Prazosin?

Accepted Answer

First-dose syncope (start low). Used for urethral relaxation, systemic hypertension, and heart failure afterload reduction. Reflex tachycardia possible.

Question 4

What are the side effects of Prazosin?

Accepted Answer

Reported side effects, adverse reactions, and contraindications for Prazosin: First-dose syncope (start low). Used for urethral relaxation, systemic hypertension, and heart failure afterload reduction. Reflex tachycardia possible.

Question 5

How does Prazosin work?

Accepted Answer

Selective alpha-1 adrenergic blocker causing arterial and venous vasodilation. Also relaxes urethral smooth muscle and prostatic capsule.

Prazosin

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Mechanism of Action

Side effects & warnings

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